670235634731 has 8 divisors (see below), whose sum is σ = 721800619344. Its totient is φ = 618671849760.

The previous prime is 670235634727. The next prime is 670235634791. The reversal of 670235634731 is 137436532076.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 670235634731 - 2² = 670235634727 is a prime.

It is a super-2 number, since 2×670235634731² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670235634791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1103840 + ... + 1599666.

It is an arithmetic number, because the mean of its divisors is an integer number (90225077418).

Almost surely, 2^670235634731 is an apocalyptic number.

670235634731 is a deficient number, since it is larger than the sum of its proper divisors (51564984613).

670235634731 is a wasteful number, since it uses less digits than its factorization.

670235634731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599821.

The product of its (nonzero) digits is 1905120, while the sum is 47.

The spelling of 670235634731 in words is "six hundred seventy billion, two hundred thirty-five million, six hundred thirty-four thousand, seven hundred thirty-one".